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    SubjectRe: [ckrm-tech] RFC: Memory Controller
    On Tue, 31 Oct 2006 14:49:12 +0530
    Balbir Singh <balbir@in.ibm.com> wrote:

    > The idea behind limiting the page cache is this
    >
    > 1. Lets say one container fills up the page cache.
    > 2. The other containers will not be able to allocate memory (even
    > though they are within their limits) without the overhead of having
    > to flush the page cache and freeing up occupied cache. The kernel
    > will have to pageout() the dirty pages in the page cache.

    There's a vast difference between clean pagecache and dirty pagecache in this
    context. It is terribly imprecise to use the term "pagecache". And it would be
    a poor implementation which failed to distinguish between clean pagecache and
    dirty pagecache.

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